Finding the Fourth Proportional to 1,692,395.97, 2,335,850.22 and 1,148,706.96
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Solution
The fourth proportional to 1,692,395.97, 2,335,850.22 and 1,148,706.96 is: 1,585,448.95
Step by Step Solution
- Step 1: Write the proportion equation
1,692,395.97 : 2,335,850.22 = 1,148,706.96 : x - Step 2: Convert to fraction form
1,692,395.97/2,335,850.22 = 1,148,706.96/x - Step 3: Cross multiply
1,692,395.97x = 2,335,850.22 × 1,148,706.96 - Step 4: Simplify right side
1,692,395.97x = 2,683,207,405,231.53 - Step 5: Solve for x
x = 2,683,207,405,231.53/1,692,395.97 - Step 6: Final answer
x = 1,585,448.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.